// Copyright (c) 2025, 大连理工大学 (Dalian University of Technology)
//
// Licensed under the Mulan PSL v2.
// You can use this file according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of the License at
//
//     http://license.coscl.org.cn/MulanPSL2
//
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. SEE THE MULAN PSL v2
// FOR MORE DETAILS.

#include "DBManager/Repository/HDF5/Input/Design/BEADVARRepository.h"

#include "DBManager/Repository/HDF5/Base/HDF5RepositoryMacro.h"

HDF5_REG_REPOSITORY (BEADVARRepository)

using namespace SG::DBManager::HDF5;
using namespace SG::DataStructure;
using namespace SG::DataStructure::FEM;
using namespace SG::DataStructure::Common;

// 构造函数实现
BEADVARRepository::BEADVARRepository (HDF5Database& database) : SG::DBManager::HDF5::MainlyRepositoryBase<MainStruct> (database)
{}

void BEADVARRepository::InitialDatasetInfo ()
{
    RegisterTableInfo<SG::DataStructure::Common::Id> ("/OWN/INDEX/INPUT/DESIGN/BEADVAR", IndexDataset);
    RegisterTableInfo<NasMainStruct> ("/SG/INPUT/DESIGN/BEADVAR/IDENTITY", MainDataset);
    RegisterTableInfo<SubStructDIR> ("/SG/INPUT/DESIGN/BEADVAR/DIRECTION", SubDataset_DIR);
    RegisterTableInfo<SubStructGRID> ("/SG/INPUT/DESIGN/BEADVAR/GRIDSET", SubDataset_GRID);
    RegisterTableInfo<SubStructPAT> ("/SG/INPUT/DESIGN/BEADVAR/PATTERN", SubDataset_PAT);
    RegisterTableInfo<SubStructSYM> ("/SG/INPUT/DESIGN/BEADVAR/SYMPLANE", SubDataset_SYM);
}

void BEADVARRepository::DumpWriteCahce ()
{
    auto& writeStorage = this->GetMainCache ().m_writeStorage;

    // 1. flag设置为无顺序
    GetMainDatasetInfo ().SetIsSequential (false);

    // 主表数据
    std::vector<NasMainStruct> IDENTITYData{};
    // 附表数据
    std::vector<SubStructDIR>  subDataDIR;
    std::vector<SubStructGRID> subDataGRID;
    std::vector<SubStructPAT>  subDataPAT;
    std::vector<SubStructSYM>  subDataSYM;

    // 2. 转换为nastran格式数据
    OwnToNastran (writeStorage, IDENTITYData, subDataDIR, subDataGRID, subDataPAT, subDataSYM);

    // 3. 写出数据至文件
    WriteData (MainDataset, IDENTITYData);
    WriteData (SubDataset_DIR, subDataDIR);
    WriteData (SubDataset_GRID, subDataGRID);
    WriteData (SubDataset_PAT, subDataPAT);
    WriteData (SubDataset_SYM, subDataSYM);

    // 4. 更新Index表
    this->WriteIndexData (this->GetIndexDatasetInfo (), writeStorage);

    // 5. 清空缓存
    writeStorage.clear ();
}

std::vector<BEADVARRepository::DataType>*  BEADVARRepository::LoadReadCache (std::size_t loadIndex)
{
    // 1. 读取范围内主表数据
    std::vector<NasMainStruct> IDENTITYData;
    LoadMainMetadata (loadIndex, IDENTITYData);

    if (IDENTITYData.empty ())
    {
        return nullptr;
    }

    // 2. 读取范围内附表数据
    std::vector<SubStructDIR>  subDataDIR;
    std::vector<SubStructGRID> subDataGRID;
    std::vector<SubStructPAT>  subDataPAT;
    std::vector<SubStructSYM>  subDataSYM;

    LoadSecondaryMetadata (IDENTITYData, DIR_POS, DIR_LEN, SubDataset_DIR, subDataDIR);
    LoadSecondaryMetadata (IDENTITYData, GRID_POS, GRID_LEN, SubDataset_GRID, subDataGRID);
    LoadSecondaryMetadata (IDENTITYData, PAT_POS, PAT_LEN, SubDataset_PAT, subDataPAT);
    LoadSecondaryMetadata (IDENTITYData, SYM_POS, SYM_LEN, SubDataset_SYM, subDataSYM);

    // 3. 将数据转换为自己的格式放入缓存
    auto* cacheVector = m_cacheHelper.LookupOrCreateVector<DataType> (GetMainCache ().m_readCacheKey, IDENTITYData.size ());
    NastranToOwn (IDENTITYData, subDataDIR, subDataGRID, subDataPAT, subDataSYM, *cacheVector);
    return cacheVector;
}

void BEADVARRepository::SortData ()
{
    // 1. 读取主表数据
    std::vector<NasMainStruct> IDENTITYData;
    GetDataset (MainDataset).read (IDENTITYData);

    if (IDENTITYData.empty ())
    {
        GetMainDatasetInfo ().SetIsSequential (true);
        return;
    }

    // 2. 读取附表数据
    std::vector<SubStructDIR>  subDataDIR;
    std::vector<SubStructGRID> subDataGRID;
    std::vector<SubStructPAT>  subDataPAT;
    std::vector<SubStructSYM>  subDataSYM;

    GetDataset (SubDataset_DIR).read (subDataDIR);
    GetDataset (SubDataset_GRID).read (subDataGRID);
    GetDataset (SubDataset_PAT).read (subDataPAT);
    GetDataset (SubDataset_SYM).read (subDataSYM);

    // 3. 将所有数据转换
    std::vector<MainStruct> AllData{};
    NastranToOwn (IDENTITYData, subDataDIR, subDataGRID, subDataPAT, subDataSYM, AllData);

    // 4. 排序
    std::sort (AllData.begin (), AllData.end ());

    // 5. 转换回nastran格式
    OwnToNastran (AllData, IDENTITYData, subDataDIR, subDataGRID, subDataPAT, subDataSYM, true);

    // 6. 写出主表数据至文件
    GetDataset (MainDataset).write (IDENTITYData);
    // 7. 写出附表数据至文件
    GetDataset (SubDataset_DIR).write (subDataDIR);
    GetDataset (SubDataset_GRID).write (subDataGRID);
    GetDataset (SubDataset_PAT).write (subDataPAT);
    GetDataset (SubDataset_SYM).write (subDataSYM);

    // 8. 重写索引
    RewriteIndexData (AllData);

    // 9. 设置为已顺序
    GetMainDatasetInfo ().SetIsSequential (true);
}

std::vector<BEADVARRepository::MainStruct> BEADVARRepository::GetAllData ()
{
    Sort ();

    std::vector<MainStruct> result;

    std::vector<NasMainStruct> IDENTITYData;
    GetDataset (MainDataset).read (IDENTITYData);

    if (IDENTITYData.empty ())
    {
        return result;
    }

    std::vector<SubStructDIR>  subDataDIR;
    std::vector<SubStructGRID> subDataGRID;
    std::vector<SubStructPAT>  subDataPAT;
    std::vector<SubStructSYM>  subDataSYM;

    GetDataset (SubDataset_DIR).read (subDataDIR);
    GetDataset (SubDataset_GRID).read (subDataGRID);
    GetDataset (SubDataset_PAT).read (subDataPAT);
    GetDataset (SubDataset_SYM).read (subDataSYM);

    // 将所有数据转换
    NastranToOwn (IDENTITYData, subDataDIR, subDataGRID, subDataPAT, subDataSYM, result);

    return result;
}

void BEADVARRepository::OwnToNastran (std::vector<MainStruct>&         own,
                                      std::vector<NasMainStruct>& _OUT IDENTITYData,
                                      std::vector<SubStructDIR>& _OUT  subDataDIR,
                                      std::vector<SubStructGRID>& _OUT subDataGRID,
                                      std::vector<SubStructPAT>& _OUT  subDataPAT,
                                      std::vector<SubStructSYM>& _OUT  subDataSYM,

                                      bool isSort)
{
    subDataDIR.clear ();
    subDataGRID.clear ();
    subDataPAT.clear ();
    subDataSYM.clear ();

    IDENTITYData.clear ();
    IDENTITYData.reserve (own.size ());

    // 获取已有数据条数，主要是放在主表的POS字段
    // 如果是重新排序的时候，Pos都是从0 开始的
    size_t countDIR  = isSort ? 0 : this->GetDatasetInfo (SubDataset_DIR).GetRowCount ();
    size_t countGRID = isSort ? 0 : this->GetDatasetInfo (SubDataset_GRID).GetRowCount ();
    size_t countPAT  = isSort ? 0 : this->GetDatasetInfo (SubDataset_PAT).GetRowCount ();
    size_t countSYM  = isSort ? 0 : this->GetDatasetInfo (SubDataset_SYM).GetRowCount ();

    // OwnIdent 代表咱们自己的数据结构
    // NasIdent 代表nastran的数据结构
    for (auto& OwnIdent : own)
    {
        // 写入附表
        subDataDIR.insert (subDataDIR.end (), OwnIdent.m_DIRECTIONList.begin (), OwnIdent.m_DIRECTIONList.end ());
        subDataGRID.insert (subDataGRID.end (), OwnIdent.m_GRIDSETList.begin (), OwnIdent.m_GRIDSETList.end ());
        subDataPAT.insert (subDataPAT.end (), OwnIdent.m_PATTERNList.begin (), OwnIdent.m_PATTERNList.end ());
        subDataSYM.insert (subDataSYM.end (), OwnIdent.m_SYMPLANEList.begin (), OwnIdent.m_SYMPLANEList.end ());

        const size_t lenDIR  = OwnIdent.m_DIRECTIONList.size ();
        const size_t lenGRID = OwnIdent.m_GRIDSETList.size ();
        const size_t lenPAT  = OwnIdent.m_PATTERNList.size ();
        const size_t lenSYM  = OwnIdent.m_SYMPLANEList.size ();

        // 写入IDENTITY
        NasMainStruct NasIdent{};

        NasIdent.BEADID = OwnIdent.m_id;
        memcpy (NasIdent.PTYPE, OwnIdent.m_PTYPE, 8);
        NasIdent.PID       = OwnIdent.m_pId;
        NasIdent.MW        = OwnIdent.m_MW;
        NasIdent.MH        = OwnIdent.m_MH;
        NasIdent.ANG       = OwnIdent.m_ANG;
        NasIdent.BF        = OwnIdent.m_BF;
        NasIdent.SKIP      = OwnIdent.m_SKIP;
        NasIdent.DOMAIN_ID = OwnIdent.m_domainId;

        NasIdent.DIR_POS  = static_cast<I64> (countDIR);
        NasIdent.GRID_POS = static_cast<I64> (countGRID);
        NasIdent.PAT_POS  = static_cast<I64> (countPAT);
        NasIdent.SYM_POS  = static_cast<I64> (countSYM);

        NasIdent.DIR_LEN  = static_cast<I64> (lenDIR);
        NasIdent.GRID_LEN = static_cast<I64> (lenGRID);
        NasIdent.PAT_LEN  = static_cast<I64> (lenPAT);
        NasIdent.SYM_LEN  = static_cast<I64> (lenSYM);

        IDENTITYData.emplace_back (NasIdent);

        countDIR += lenDIR;
        countGRID += lenGRID;
        countPAT += lenPAT;
        countSYM += lenSYM;
    }
}

void BEADVARRepository::NastranToOwn (std::vector<NasMainStruct>& IDENTITYData,
                                      std::vector<SubStructDIR>&  subDataDIR,
                                      std::vector<SubStructGRID>& subDataGRID,
                                      std::vector<SubStructPAT>&  subDataPAT,
                                      std::vector<SubStructSYM>&  subDataSYM,

                                      std::vector<MainStruct>& _OUT own)
{
    own.clear ();
    own.reserve (IDENTITYData.size ());

    // 代表初始的Index 位置,
    // 因为数据有可能是截取了附表的一部分，所有主表中根据POS找的时候需要对应一下，
    // 比如第一个主表数据中POS字段为10000， 附表的vector的数据
    // 就是从附表中的第10000个开始对应的 也就是Index==0的
    // const I64 index = IDENTITYData[0].POS;

    MainStruct const tempown;
    own.resize (IDENTITYData.size (), tempown);

    for (size_t i = 0; i < IDENTITYData.size (); i++)
    {
        auto& OwnIdent = own[i];
        auto& NasIdent = IDENTITYData[i];

        OwnIdent.m_id = NasIdent.BEADID;
        memcpy (OwnIdent.m_PTYPE, NasIdent.PTYPE, 8);
        OwnIdent.m_pId      = NasIdent.PID;
        OwnIdent.m_MW       = NasIdent.MW;
        OwnIdent.m_MH       = NasIdent.MH;
        OwnIdent.m_ANG      = NasIdent.ANG;
        OwnIdent.m_BF       = NasIdent.BF;
        OwnIdent.m_SKIP     = NasIdent.SKIP;
        OwnIdent.m_domainId = NasIdent.DOMAIN_ID;

        if (NasIdent.DIR_LEN != 0)
        {
            OwnIdent.m_DIRECTIONList.assign (subDataDIR.begin () + NasIdent.DIR_POS - IDENTITYData[0].DIR_POS,
                                             subDataDIR.begin () + NasIdent.DIR_POS + NasIdent.DIR_LEN - IDENTITYData[0].DIR_POS);
        }
        if (NasIdent.GRID_LEN != 0)
        {
            OwnIdent.m_GRIDSETList.assign (subDataGRID.begin () + NasIdent.GRID_POS - IDENTITYData[0].GRID_POS,
                                           subDataGRID.begin () + NasIdent.GRID_POS + NasIdent.GRID_LEN - IDENTITYData[0].GRID_POS);
        }
        if (NasIdent.PAT_LEN != 0)
        {
            OwnIdent.m_PATTERNList.assign (subDataPAT.begin () + NasIdent.PAT_POS - IDENTITYData[0].PAT_POS,
                                           subDataPAT.begin () + NasIdent.PAT_POS + NasIdent.PAT_LEN - IDENTITYData[0].PAT_POS);
        }
        if (NasIdent.SYM_LEN != 0)
        {
            OwnIdent.m_SYMPLANEList.assign (subDataSYM.begin () + NasIdent.SYM_POS - IDENTITYData[0].SYM_POS,
                                            subDataSYM.begin () + NasIdent.SYM_POS + NasIdent.SYM_LEN - IDENTITYData[0].SYM_POS);
        }
    }
}
